<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>HTML作业11-开始学习flex布局-准备工作</title>
<style type="text/css">
* {
	padding: 0;
	margin: 0;
}

.box {
	width: 700px;
	height: 500px;
	background-color: rgba(208,251,0,1.00);
}
.box .item {
	background-color: rgba(242,9,13,1.00);
}
</style>
</head>

<body>
	<div class="box">
	<div class="item">文本</div>
	<div class="item">文本</div>
	<div class="item">文本</div>
	</div>
</body>
</html>
